A test is said to be most powerful test of size α, if_______________?

A. Among all other test of size α or less it has the largest powerCorrect Answer

B. Among all other test of size α or greater it has the largest 1 – α

C. Among all other test of size α or greater it has the smallest power

D. Among all other test of size α or greater it has the largest β

Correct Option: A. Among all other test of size α or less it has the largest power

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